Amphenol ICC 66432-050 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 66432-050 is a 50-position rectangular receptacle connector designed for IDC (Insulation Displacement Contact) termination with ribbon cable. This connector features a 0.100" pitch, dual-row configuration, and gold-plated contacts rated for 28-30 AWG wire gauges. The product is classified as obsolete, making identification of compatible substitute components essential for ongoing system maintenance and new design implementations where equivalent functionality is required.

Substiute Parts

66432-050

Amphenol ICC (FCI)In Stock: 113366432-050 Datasheet

Current PartRFQ

89150-0003

3MIn Stock: 170189150-0003 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Amphenol ICC 66432-050 is determined by the following critical parameters:

• Connector Configuration: 50-position receptacle with 0.100" (2.54mm) pitch and dual-row layout
• Termination Method: IDC (Insulation Displacement Contact) for ribbon cable
• Contact System: Female socket with gold plating
• Wire Gauge Compatibility: Acceptable range includes 26-30 AWG to accommodate standard ribbon cable gauges
• Mechanical Interface: Free hanging, in-line mounting orientation
• Electrical Performance: Contact finish thickness and gold plating specification

The 3M 89150-0003 qualifies as a substitute based on matching connector type, position count, pitch, row configuration, termination method, and contact finish specifications. The wire gauge range (26-28 AWG) overlaps with the original specification (28-30 AWG), providing compatibility for standard ribbon cable applications.

Parameter Comparison

Engineering Selection Recommendations

The 3M 89150-0003 is the qualified substitute for the Amphenol ICC 66432-050. Selection should be based on the following factors:

Product Status: The original Amphenol ICC component is obsolete. The 3M 89150-0003 maintains active product status, ensuring ongoing availability and manufacturer support.

Regulatory Compliance: The 3M substitute is ROHS3 compliant, whereas the original component is RoHS non-compliant. For applications subject to RoHS directives or environmental regulations, the substitute provides compliance alignment.

Mechanical and Electrical Compatibility: Both connectors share identical pitch, row configuration, position count, and mounting orientation. IDC termination and ribbon cable compatibility are preserved.

Wire Gauge Consideration: The substitute supports 26-28 AWG wire gauges, which overlaps with the original 28-30 AWG specification at 28 AWG. Applications using 28 AWG ribbon cable are directly compatible. Applications requiring 29-30 AWG operation should verify wire gauge availability and termination compatibility with the substitute connector.

Frequently Asked Questions (FAQ)

Q: Can the 3M 89150-0003 directly replace the Amphenol ICC 66432-050 in existing assemblies?

A: Yes, for applications using 28 AWG ribbon cable. The connectors share identical pitch (0.100"), position count (50), row configuration (2 rows), and IDC termination method. Mechanical and electrical interfaces are compatible. Applications using 29-30 AWG wire should verify wire gauge availability for the substitute connector.

Q: What is the significance of the wire gauge difference between the two connectors?

A: The original Amphenol ICC 66432-050 is rated for 28-30 AWG, while the 3M 89150-0003 is rated for 26-28 AWG. The overlap at 28 AWG ensures compatibility for standard ribbon cable applications. Wire gauge selection affects contact pressure and termination force; verify that your ribbon cable gauge falls within the substitute's rated range.

Q: Does the RoHS compliance difference affect substitution eligibility?

A: The RoHS non-compliance of the original component versus ROHS3 compliance of the substitute reflects manufacturing process differences. For new designs or applications subject to RoHS regulations, the 3M substitute provides regulatory alignment. For legacy system maintenance, compatibility is determined by mechanical and electrical parameters, not regulatory status.

Q: Are the contact finish specifications equivalent between the two connectors?

A: Both connectors feature gold plating at 30.0µin (0.76µm) thickness, ensuring equivalent electrical performance and contact reliability. The original component specifies "Gold or Gold, GXT™" while the substitute specifies standard gold plating; both meet the stated thickness requirement.

Q: What is the impact of the polarizing key feature on substitution?

A: The original Amphenol ICC 66432-050 includes a polarizing key feature. The 3M 89150-0003 specification does not explicitly list this feature. Verify physical connector geometry and keying mechanisms if polarization is critical to your application design.